Buy a house, the door of fire hydrants (fire extinguishers) good, or at the entrance to the distribution box (radiation)?
It's better to have a fire extinguisher in comparison. No radiation.
The hydrant is a little better. After all, use is not very frequent. Fire hydrants must be free of electricity or radiation. The disadvantage is that the use of space may be occupied, the other is in the event of fire, your home may be flooded; distribution box is relatively high, the frequency of use, another is where the electricity will inevitably exist danger. What the radiation does not estimate, civil electricity which have so much radiation, how much radiation is the high-voltage tower?.
2 ways are not substantial risk, I think you do not matter, after all, more space is always good. Just heating the pipe. It'll be warmer in summer.
